U.S. Attorney Jim LettenU.S. Attorney Jim Letten and Acting U.S. Marshal Steven M. Hartman will discuss developments in a "major enforcement operation" during a 3 p.m. press conference today, according to a news release from Letten's office.

The release didn’t provide details about the operation and said officials would not disclose them before the press conference.

Letten and Hartman are both federal officials with the Eastern District of Louisiana.